import unittest


class TestClass1Two(unittest.TestCase):

    def test_1_b(self):
        assert 1<0


    def test_2_b(self):
        assert True

    def test_3_b(self):
        assert True

class TestClass2Two(unittest.TestCase):

    def test_1_b(self):
        assert True


    def test_2_b(self):
        assert True

    def test_3_b(self):
        assert True